/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.apache.hadoop.hive.ql.exec.vector.ptf;

import org.apache.hadoop.hive.ql.exec.vector.ColumnVector;
import org.apache.hadoop.hive.ql.exec.vector.DoubleColumnVector;
import org.apache.hadoop.hive.ql.exec.vector.expressions.VectorExpression;
import org.apache.hadoop.hive.ql.plan.ptf.WindowFrameDef;

/**
 * Double implementation for VectorPTFEvaluatorCountDistinct.
 */
public class VectorPTFEvaluatorDoubleCountDistinct extends VectorPTFEvaluatorCountDistinct {

  public VectorPTFEvaluatorDoubleCountDistinct(WindowFrameDef windowFrameDef,
      VectorExpression inputVecExpr, int outputColumnNum) {
    super(windowFrameDef, inputVecExpr, outputColumnNum);
    resetEvaluator();
  }

  protected Object getValue(ColumnVector colVector, int i) {
    return ((DoubleColumnVector) colVector).vector[i];
  }
}
